Free and open source. Solve accessibility issues before they reach your customers.

Robust, efficient and accurate accessibility testing tools for all Built on the world’s most popular accessibility testing library, axe-core. Deque’s suite of axe tools offers full coverage for your testing and compliance needs.

A website for getting different information for colors (different formats, complementary color) , especial a color blindness simulator.

TPGi’s on-demand single-page accessibility testing tool. Use it to remediate failures surfaced in ARC Monitoring scans or as a QA tool.

Colour contrast checker to check for accessibility issues.

Create inclusive experiences with the provided tools and guidance.